<template>
    <div class="main">
      <div class="login">
        <div class="title">
          <span>前后端分离Ele+Vue 阿金</span>
        </div>
        <div class="list">
          <el-input
            prefix-icon="el-icon-user"
            placeholder="请输入账号"
            v-model="dataFrom.username"
          ></el-input>
        </div>
        <div class="list">
          <el-input
            prefix-icon="el-icon-unlock"
            placeholder="请输入密码"
            show-password
            v-model="dataFrom.password"
          ></el-input>
        </div>
        <div class="list">
          <el-input
            prefix-icon="el-icon-document-checked"
            placeholder="请输入验证码"
            v-model="dataFrom.encrypt"
          ></el-input>
          <div class="getCode">
            <span @click="getCode">{{ dataFrom.code }}</span>
          </div>
        </div>
        <div class="btn">
          <button @click="loginClick">登录</button>
        </div>
      </div>
      <div class="copyright">Copyright © 2023~2026 www.jst.yyds. All rights reserved.</div>
    </div>
  </template>
  <script>
  export default {
    data() {
      return {
        dataFrom: {
          username: "admin",
          password: "123456",
          code:"",
          encrypt: "",
        },
      };
    },
    mounted() {
      this.getCode();
    },
    methods: {
      loginClick() {
        if (
          this.dataFrom.username == "admin" &&
          this.dataFrom.password == "123456" &&
          this.dataFrom.encrypt == this.dataFrom.code
        ) {
          localStorage.setItem("username", this.dataFrom.username);
          localStorage.setItem("password", this.dataFrom.password);
          localStorage.setItem("code", this.dataFrom.code);
          this.$message.success('登录成功');
          this.$router.push("./home");
        }else{
            this.$message.error('登录失败');
            this.getCode();
        }
      },
      getCode() {
        var str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
        var arr = str.split("");
        var oldStr = "";
        for (var i = 0; i < 4; i++) {
          var n = Math.floor(Math.random() * arr.length);
          oldStr += arr[n];
        }
        this.dataFrom.code = oldStr.substring(oldStr.length - 4);
        this.dataFrom.encrypt=oldStr.substring(oldStr.length - 4);
      },
    },
  };
  </script>
  <style scoped>
  .main {
    background: url("../../assets/img/login-bg.jpg");
    background-size: 100% 100%;
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
  }
  .login {
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid #FFFFFF;
    background: #fff;
    width: 300px;
    padding: 30px 30px 50px 30px;
    border-radius: 3px;
  }
  .login .title {
    text-align: center;
    margin: 0 0 10px 0;
  }
  .login .title span {
    color: #304B6E;
    font-weight: 400;
    font-size: 20px;
  }
   
  .login .list {
    display: flex;
    align-items: center;
    padding: 15px 0;
  }
  .login .list input {
    border-radius: 3px;
    border: none;
    outline: none;
    color: #999;
    border: 1px solid #bdbdbd;
    font-size: 14px;
    line-height: 50px;
    padding: 0 10px;
    display: block;
    box-sizing: border-box;
    flex: 7;
  }
   
  .login .list .getCode span {
    font-size: 20px;
    background: #f5f7fa;
    color: #777;
    border-radius: 4px;
    line-height: 40px;
    border: 1px solid #ccc;
    display: inline-block;
    margin-left: 10px;
    width: 80px;
    text-align: center;
    user-select: none;
    cursor: pointer;
  }
   
  .btn {
    display: flex;
    justify-content: flex-end;
    padding-top: 5px;
  }
  .btn button {
    font-size: 13px;
    color: #fff;
    background: #1890FF;
    outline: none;
    border: none;
    line-height: 40px;
    padding: 0 20px;
    display: inline-block;
    flex: 1;
    cursor: pointer;
    border-radius: 3px;
  }
  .copyright{
    color: #eee;
    text-align: center;
    position:fixed;
    z-index: 1;
    bottom:20px;
    left:0;
    right:0;
    font-size:14px;
  }
  </style>